\appendix
\chapter{Title of first appendix}
\section{First Section}
\label{append:labelforappendix}
Here's how you write code.
\begin{verbatim}
#include <stdio.h>

main()
{
    printf("hello, world\n");
}
\end{verbatim}

\section{Second Section}
Here's how you write installation instructions.
\begin{verbatim}
$ cd /home/username/documents
$ git clone https://github.com/mindprince/btp-report-latex-template.git
\end{verbatim}